American Thoracic Society Documents 401 Figure 2. Algorithm forinitiating empiric antibi-otic therapy for hospital-acquired pneumonia (HAP),ventilator-associated pneu-monia (VAP), and health-care-associatedpneumonia(HCAP). Figure 2.
One milligram is one thousandth of a gram and one thousand micrograms. A milligram is generally abbreviated as mg. MICROGRAM. One microgram is one millionth of a gram and one thousandth of a milligram. It is usually abbreviated as mcg or ug. Mcg and ug are the same.
A microgram is a millionth of a gram, and it is the one of the smallest units of measurement, frequently used in microbiology tests, specifically in measurements for antibiotics like penicillin, oxacillin, and others. A microgram is expressed as (Î¼g) in usage.